| Rank | Coal or Coke Heating House Percentage ▼ | School District / Population |
| 1. | 1.3% | Barkhamsted School District / 3,671 |
| 2. | 0.9% | Canaan School District / 1,140 |
| 3. | 0.7% | Andover School District / 3,268 |
| 3. | 0.7% | Regional School District 13 / 11,625 |
| 5. | 0.6% | Brooklyn School District / 7,829 |
| 6. | 0.6% | North Stonington School District / 5,243 |
| 7. | 0.6% | Norfolk School District / 1,723 |
| 8. | 0.6% | Regional School District 10 / 14,648 |
| 9. | 0.6% | Bolton School District / 5,135 |
| 10. | 0.6% | Ashford School District / 4,439 |
| 10. | 0.6% | Lebanon School District / 7,360 |
| 12. | 0.5% | Marlborough School District / 6,292 |
| 13. | 0.5% | Regional School District 18 / 9,655 |
| 14. | 0.5% | Plymouth School District / 12,039 |
| 15. | 0.5% | New Milford School District / 28,443 |
| 16. | 0.4% | Regional School District 14 / 13,233 |
| 17. | 0.4% | Regional High School District 07 / 13,657 |
| 17. | 0.4% | Franklin School District / 1,815 |
| 19. | 0.4% | Granby School District / 11,132 |
| 20. | 0.4% | Portland School District / 9,536 |
| 20. | 0.4% | Wilton School District / 17,689 |
| 22. | 0.4% | Woodstock School District / 8,133 |
| 23. | 0.4% | Woodbridge School District / 9,187 |
| 23. | 0.4% | Groton School District / 40,114 |
| 25. | 0.3% | Regional School District 15 / 26,800 |
| 25. | 0.3% | Stratford School District / 48,930 |
| 27. | 0.3% | Orange School District / 13,780 |
| 27. | 0.3% | Branford School District / 28,916 |
| 29. | 0.3% | East Hampton School District / 12,507 |
| 29. | 0.3% | Regional High School District 08 / 18,791 |
| 31. | 0.3% | Newington School District / 29,530 |
| 31. | 0.3% | Wolcott School District / 16,297 |
| 33. | 0.3% | Plainville School District / 17,210 |
| 34. | 0.3% | Stafford School District / 11,802 |
| 34. | 0.3% | Regional High School District 05 / 28,477 |
| 34. | 0.3% | Ellington School District / 14,448 |
| 34. | 0.3% | Meriden School District / 59,078 |
| 38. | 0.3% | Coventry School District / 12,197 |
| 39. | 0.2% | Colchester School District / 15,536 |
| 40. | 0.2% | Litchfield School District / 8,667 |
| 41. | 0.2% | Seymour School District / 16,163 |
| 41. | 0.2% | Bridgeport School District / 136,715 |
| 43. | 0.2% | Vernon School District / 29,734 |
| 44. | 0.2% | Clinton School District / 13,579 |
| 44. | 0.2% | Torrington School District / 35,495 |
| 46. | 0.2% | Shelton School District / 39,669 |
| 46. | 0.2% | Ansonia School District / 18,530 |
| 48. | 0.2% | Enfield School District / 45,060 |
| 48. | 0.2% | Simsbury School District / 23,545 |
| 48. | 0.2% | Westport School District / 26,443 |
| 48. | 0.2% | Regional School District 16 / 15,019 |
| 52. | 0.2% | Name N/A / 213,921 |
| 52. | 0.2% | East Haven School District / 28,539 |
| 54. | 0.1% | Manchester School District / 55,740 |
| 55. | 0.1% | Ledyard School District / 15,159 |
| 55. | 0.1% | Hartford School District / 123,925 |
| 57. | 0.1% | Watertown School District / 22,141 |
| 57. | 0.1% | Windsor School District / 28,747 |
| 57. | 0.1% | Regional School District 06 / 7,032 |
| 60. | 0.1% | Cromwell School District / 13,559 |
| 60. | 0.1% | Ridgefield School District / 23,905 |
| 62. | 0.1% | Farmington School District / 24,935 |
| 62. | 0.1% | Glastonbury School District / 33,033 |
| 62. | 0.1% | Regional High School District 19 / 35,507 |
| 65. | 0.1% | Danbury School District / 78,708 |
| 66. | 0.1% | Regional High School District 01 / 15,925 |
| 66. | 0.1% | Norwich School District / 36,596 |
| 68. | 0.1% | Southington School District / 42,077 |
| 68. | 0.1% | West Haven School District / 52,727 |
| 68. | 0.1% | Fairfield School District / 57,229 |
| 71. | 0.1% | East Granby School District / 5,187 |
| 71. | 0.1% | Waterbury School District / 106,909 |
| 73. | 0.0% | West Hartford School District / 60,573 |
| 73. | 0.0% | Stonington School District / 18,415 |
| 73. | 0.0% | New Britain School District / 70,548 |
| 76. | 0.0% | Newtown School District / 26,679 |
| 76. | 0.0% | Bristol School District / 60,869 |
| 78. | 0.0% | New Haven School District / 123,628 |
| 78. | 0.0% | Stamford School District / 118,787 |
Please note that we only rank locations with 'Coal or Coke Heating House Percentage' data. The rank above might not be a complete list. Locations without 'Coal or Coke Heating House Percentage' data are not listed.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
